28419900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1553}}^1$

素因数の和:1631

約数の個数: 72

約数和(自身を含む): 83630064

約数和(自身を除く): 55210164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1220, 1525, 1553, 1830, 3050, 3106, 3660, 4575, 4659, 6100, 6212, 7765, 9150, 9318, 15530, 18300, 18636, 23295, 31060, 38825, 46590, 77650, 93180, 94733, 116475, 155300, 189466, 232950, 284199, 378932, 465900, 473665, 568398, 947330, 1136796, 1420995, 1894660, 2368325, 2841990, 4736650, 5683980, 7104975, 9473300, 14209950, 28419900]

約数ペア:

[(1, 28419900), (2, 14209950), (3, 9473300), (4, 7104975), (5, 5683980), (6, 4736650), (10, 2841990), (12, 2368325), (15, 1894660), (20, 1420995), (25, 1136796), (30, 947330), (50, 568398), (60, 473665), (61, 465900), (75, 378932), (100, 284199), (122, 232950), (150, 189466), (183, 155300), (244, 116475), (300, 94733), (305, 93180), (366, 77650), (610, 46590), (732, 38825), (915, 31060), (1220, 23295), (1525, 18636), (1553, 18300), (1830, 15530), (3050, 9318), (3106, 9150), (3660, 7765), (4575, 6212), (4659, 6100)]